Abstract
Phenylphenalenone-type compounds accumulated in the tissues of two banana cultivars—Musa acuminata cv. “Grande Naine” (AAA) and Musa acuminata × balbisiana Colla cv. “Bluggoe” (ABB)—when these were fed on by the banana weevil (Cosmopolites sordidus (Germ.) (Coleoptera: Curculionidae)) and the banana stem weevil (Odoiporus longicollis (Oliver) (Coleoptera: Curculionidae)). The chemical constituents of the banana material were separated by means of chromatographic techniques and identified by NMR spectroscopy. One new compound, 2-methoxy-4-phenylphenalen-1-one, was found exclusively in the corm material of “Bluggoe” that had been fed on by the weevils.
Highlights
Bananas (Musa spp.) are a major staple food for more than 400 million people in developing countries in the tropics and subtropics, and an important export product for the Philippines and manyLatin American countries [1,2]
The present study focuses on phenylphenalenone-type compounds produced by two polyketide pathway [16,17]
Secondary metabolites were extracted from the plant material using ethanol
Summary
Bananas (Musa spp.) are a major staple food for more than 400 million people in developing countries in the tropics and subtropics, and an important export product for the Philippines and manyLatin American countries [1,2]. Bananas (Musa spp.) are a major staple food for more than 400 million people in developing countries in the tropics and subtropics, and an important export product for the Philippines and many. Production is threatened by a variety of pests and pathogens, such as plant parasitic nematodes, ascomycetous fungi, viruses, bacteria, and insects [3,4,5,6,7,8]. CS is native to Southeast Asia, but has been transported throughout the banana growing regions of the world, and is established in southern Asia, Africa, many Pacific islands, Australia, northern South America, most of Central America, Cuba, the West Indies, and in Mexico, Florida, and Hawaii [11]. OL is native to Southeast Asia, but its distribution is restricted to the banana growing belts of India, Southeast Asia, southern China, and the southern islands of Japan
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